/*
 * Copyright 2010 Christoph Widulle (christoph.widulle@googlemail.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */



package com.android1.amarena2d.engine;

import com.android1.amarena2d.annotations.NotThreadsave;

import java.util.ArrayList;

@NotThreadsave
public class ContextManager extends EngineObject {


    private final ArrayList<Listener> listeners;

    public ContextManager() {

        listeners = new ArrayList<Listener>(10);
    }

    void notifyContextLoss() {
        for (int i = 0; i < listeners.size(); i++) {
            Listener listener = listeners.get(i);
            listener.onContextLoss();
        }
    }

    public void register(Listener listener) {
        listeners.add(listener);
    }

    public void unregister(Listener listener) {
        listeners.remove(listener);
    }

    public static interface Listener {

        void onContextLoss();
    }


}
